Abdominal breathing training trainerAuthor:7905Project Background ( 100-200words ) Whether it is ancient Indian yoga or Buddhist meditation, or Chinese Taoist Dandao fetal breathing and ordinary Qigon...
The RD investment intensity of my country's top 100 electronic information companies is 3.72% 2006-6-1The "List of Top 100 Electronic Information Enterprises in 2006" released by the Ministry of Infor...
[backcolor=white][color=#000000]There are many brothers who have just come into contact with DSP. They are not very clear about the basic concepts of DSP, which makes them slow to get started. I will ...
Wireless connectivity and the Internet of Things (IoT) have become one. According to IDC, by 2025, there will be 41.6 billion connected IoT devices or “things,” generating 79.4 zettabytes of data. Mes...
PWM is generated by the microcontroller, with a frequency of 20K. After RC filtering, it becomes DC, that is, the voltage at point A is DC voltage.
The problem during debugging is that I don't give PW...
The ADCs used in the projects I have worked on are all on-chip ADCs of DSP. The advantage of using on-chip ADCs is that they have fast conversion speeds and save costs, which are advantages over off-c...
In recent years, servo motor control technology is developing in three directions: AC, digital and intelligent. As the actuator of CNC machine tools, servo systems integrate power electronic devices, ...[Details]
At present, the flow measurement of large-diameter ventilation ducts is mainly based on energy efficiency, instrument installation and maintenance, etc., to ensure that the measurement can meet the p...[Details]
An oscilloscope is an instrument that graphically displays the waveform of a signal changing over time. It is a comprehensive signal characteristics tester and a basic type of electronic measuring ins...[Details]
The linear frequency modulation signal has a parabolic nonlinear phase spectrum and can obtain a larger time-bandwidth product. Compared with other pulse compression signals, it is easy to generate...[Details]
The sudden outbreak of the COVID-19 epidemic has disrupted the first quarter development expectations of many industries, and the new energy vehicle and power battery industries, which were originall...[Details]
1. Problem description: Use STM32CubeMX, configure SDIO 4-bit mode, and perform read and write tests on the SD card. 2. Preparation: Software version: STM32CubeMX–4.22.0; KEIL5 Hardware platform: At...[Details]
Lithium batteries have developed rapidly due to their many advantages such as high energy density, high output voltage, long service life, and low self-discharge rate. They have been widely used in r...[Details]
As an aside, when I typed the word "命令", I remembered that when I searched on Google, it said that "令" could not be searched and asked me to change the word. If I could not use swear word...[Details]
1. Definition of LED electronic display light effect: The luminous flux emitted by the light source divided by the power consumed by the light source. It is an important indicator to measure the...[Details]
Back in 2012, Sweden’s Eco Wave Power began testing a wave energy harvesting system that can be installed on existing structures such as breakwaters and piers. Four years later, the company started i...[Details]
Electromagnetic flowmeter is a kind of precision inductive instrument. If the selection or installation is unreasonable, it will have a great impact on the measurement accuracy and the service life o...[Details]
The forward and reverse rotation of the motor is a very important concept in the operation of the motor, which determines the direction of rotation of the motor. In practical applications, we often...[Details]
It connects to the TV and external sources, converting the signals into content that can be displayed on the TV screen. With the addition of a hard disk drive (HDD), the set-top box solution can als...[Details]
Temperature sensor is a sensor for measuring temperature, which is widely used in industry, scientific research, medical treatment and other fields. According to the different wiring methods, tempe...[Details]